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Contains:  M 43, NGC 1982, NGC 1980, M 42, Great Nebula in Orion, NGC 1976, The star ιOri, The star θ2Ori, The star θ1Ori
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M-42 (Orion Nebula), 


            Randal Healey

M-42 (Orion Nebula)

Technical card

Resolution: 3264x2423

Dates:Dec. 20, 2018Dec. 21, 2018Dec. 22, 2018Dec. 23, 2018

Astrodon BLUE 36mm - Gen2 E-Series Tru-Balance: 17x300" -20C bin 1x1
Astrodon GREEN 36mm - Gen2 E-Series Tru-Balance: 13x300" -20C bin 1x1
Astrodon HA 36mm - 5nm: 16x600" -20C bin 1x1
Astrodon LUM 36mm - Gen2 E -Series Tru-Balance: 10x180" -20C bin 1x1
Astrodon LUM 36mm - Gen2 E -Series Tru-Balance: 5x30" -20C bin 1x1
Astrodon Olll 36mm - 3nm: 15x600" bin 1x1
Astrodon RED 36mm - Gen2 E-Series Tru-Balance: 19x300" -20C bin 1x1

Integration: 9.8 hours

Darks: ~50

Flats: ~50

Bias: ~100

Avg. Moon age: 13.93 days

Avg. Moon phase: 97.52% job: 2525391

Locations: Healey "Utahopia" Observatory, Kaysville, Utah, United States

Data source: Own remote observatory

Remote source: Non-commercial independent facility


The Orion Nebula (also known as Messier 42, M42, or NGC 1976) is a diffuse nebula situated in the Milky Way, being south of Orion's Belt in the constellation of Orion. It is one of the brightest nebulae, and is visible to the naked eye in the night sky. M42 is located at a distance of 1,344 ± 20 light years and is the closest region of massive star formation to Earth. The M42 nebula is estimated to be 24 light years across. It has a mass of about 2,000 times that of the Sun. Older texts frequently refer to the Orion Nebula as the Great Nebula in Orion or the Great Orion Nebula.

The Orion Nebula is one of the most scrutinized and photographed objects in the night sky, and is among the most intensely studied celestial features. The nebula has revealed much about the process of how stars and planetary systems are formed from collapsing clouds of gas and dust. Astronomers have directly observed protoplanetary disks, brown dwarfs, intense and turbulent motions of the gas, and the photo-ionizing effects of massive nearby stars in the nebula.



Randal Healey
License: None (All rights reserved)


  • M-42 (Orion Nebula), 


            Randal Healey
  • M-42 (Orion Nebula), 


            Randal Healey
  • M-42 (Orion Nebula), 


            Randal Healey
  • M-42 (Orion Nebula), 


            Randal Healey
  • M-42 (Orion Nebula), 


            Randal Healey
  • Final
    M-42 (Orion Nebula), 


            Randal Healey


M-42 (Orion Nebula), 


            Randal Healey